lawn mowers






 

Question by  miiohau (9)

What spark plug do I need for a Briggs Stratton 12 HP IC?

I need new spark plugs for my Briggs 12 hp ic.

 
+7

Answer by  happytimes63 (865)

There are several possibilities, if you have an Intek single cylinder OHV, very common engine you need a champion RC12YC .30 gap. If you have a single cylinder L head use Champion RJ19LM/J19LM .30 gap Opposed Twin cylinder L head also use RJ19LM/J19LM .30 gap.

 
+6

Answer by  McCheese (1248)

The Briggs and Stratton 12HP IC uses 121 guage spark plugs. These are very common for small engines found in lawn mowers or weedeaters.

 
+5

Answer by  Christian9247 (5042)

Try the single cylinder OHV, very common for engines. However there is a long list of possibilities. Depending on your model you may want to check them out.

 
+3

Answer by  worker5560 (37)

You should use the RJ19LM which is the standard spark plug used on most Briggs & Stratton L-Head engines. BS 492167 - 13/16" hex.

 
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